WebCore/editing/TextAffinity.h

   1 /*
   2  * Copyright (C) 2004 Apple Computer, Inc.  All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  * 1. Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
  14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
  17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24  */
  25
  26 #ifndef TextAffinity_h
  27 #define TextAffinity_h
  28
  29 #include <wtf/Platform.h>
  30
  31 #ifdef __OBJC__
  32 #include <AppKit/NSTextView.h>
  33 #endif
  34
  35 namespace WebCore {
  36
  37 // These match the AppKit values for these concepts.
  38 // From NSTextView.h:
  39 // NSSelectionAffinityUpstream = 0
  40 // NSSelectionAffinityDownstream = 1
  41 typedef enum { UPSTREAM = 0, DOWNSTREAM = 1 } EAffinity;
  42
  43 #ifdef __OBJC__
  44 inline NSSelectionAffinity kit(EAffinity affinity)
  45 {
  46     return static_cast<NSSelectionAffinity>(affinity);
  47 }
  48
  49 inline EAffinity core(NSSelectionAffinity affinity)
  50 {
  51     return static_cast<EAffinity>(affinity);
  52 }
  53 #endif
  54
  55 } // namespace WebCore
  56
  57 #endif // TextAffinity_h